Home / 8,852.85-12,211.83-6,459.71

Finding the Fourth Proportional to 8,852.85, 12,211.83 and 6,459.71

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Solution

The fourth proportional to 8,852.85, 12,211.83 and 6,459.71 is: 8,910.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,852.85 : 12,211.83 = 6,459.71 : x
  2. Step 2: Convert to fraction form
    8,852.85/12,211.83 = 6,459.71/x
  3. Step 3: Cross multiply
    8,852.85x = 12,211.83 × 6,459.71
  4. Step 4: Simplify right side
    8,852.85x = 78,884,819.31
  5. Step 5: Solve for x
    x = 78,884,819.31/8,852.85
  6. Step 6: Final answer
    x = 8,910.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.